John 21:20

And Peter having turned about doth see the disciple whom Jesus was loving following, (who also reclined in the supper on his breast, and said, 'Sir, who is he who is delivering thee up?')

John 21:7

That disciple, therefore, whom Jesus was loving saith to Peter, 'The Lord it is!' Simon Peter, therefore, having heard that it is the Lord, did gird on the outer coat, (for he was naked,) and did cast himself into the sea;

John 20:2

she runneth, therefore, and cometh unto Simon Peter, and unto the other disciple whom Jesus was loving, and saith to them, 'They took away the Lord out of the tomb, and we have not known where they laid him.'

John 13:23-26

And there was one of his disciples reclining (at meat) in the bosom of Jesus, whom Jesus was loving;

John 21:24

this is the disciple who is testifying concerning these things, and he wrote these things, and we have known that his testimony is true.

Treasury of Scripture Knowledge

Summary

Then Peter, turning about, seeth the disciple whom Jesus loved following; which also leaned on his breast at supper, and said, Lord, which is he that betrayeth thee?

Bible References

Seeth

John 21:7
That disciple, therefore, whom Jesus was loving saith to Peter, 'The Lord it is!' Simon Peter, therefore, having heard that it is the Lord, did gird on the outer coat, (for he was naked,) and did cast himself into the sea;
John 20:2
she runneth, therefore, and cometh unto Simon Peter, and unto the other disciple whom Jesus was loving, and saith to them, 'They took away the Lord out of the tomb, and we have not known where they laid him.'

Which

John 13:23
And there was one of his disciples reclining (at meat) in the bosom of Jesus, whom Jesus was loving;
John 20:2
she runneth, therefore, and cometh unto Simon Peter, and unto the other disciple whom Jesus was loving, and saith to them, 'They took away the Lord out of the tomb, and we have not known where they laid him.'